Home / 297,811.20-446,465.40-129,204.42

Finding the Fourth Proportional to 297,811.20, 446,465.40 and 129,204.42

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Solution

The fourth proportional to 297,811.20, 446,465.40 and 129,204.42 is: 193,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,811.20 : 446,465.40 = 129,204.42 : x
  2. Step 2: Convert to fraction form
    297,811.20/446,465.40 = 129,204.42/x
  3. Step 3: Cross multiply
    297,811.20x = 446,465.40 × 129,204.42
  4. Step 4: Simplify right side
    297,811.20x = 57,685,303,057.07
  5. Step 5: Solve for x
    x = 57,685,303,057.07/297,811.20
  6. Step 6: Final answer
    x = 193,697.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.